23 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... enzymes, Head CT ... Syncope #diagnosis #workup ... #testing #Cost ... Effectiveness #table
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Effective radiation dose ... effective radiation dose ... ChestXRay #CXR #CT ... Nuclear #Comparison #Table ... #Risks
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
50 CXRs Head CT ... 200 CXRs Chest CT ... CXRs Abdomen CT ... Nuclear #Comparison #Table ... #Risks #Testing
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... mimics, repeat testing ... renal biopsy • Risk ... → CT urography and ... Hematuria #Diagnosis #Algorithm
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... Computed Tomography (CT ... Background #Radiation #Doses ... Nuclear #Comparison #Table ... #Risks #Testing
Medical Imaging - Radiation Dose
#PatientInfo #Radiology #Procedures #Imaging #Radiation #Doses #ChestXRay #CT #Nuclear #Stress #Comparison #Table
Imaging - Radiation Dose ... Imaging #Radiation #Doses ... #ChestXRay #CT ... Stress #Comparison #Table ... #Risks
Imaging options for exclusion of PE in pregnant women
The radiation dose required for either V/Q scanning
The radiation dose ... /Q scanning or CT-PA ... are outlined in Table ... PE #Pregnancy #Workup ... Imaging #Comparison #Table
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
mSv 1 day Head CT ... months Chest CT ... mSv 4-11 years CT ... Nuclear #Comparison #Table ... #Risks #Testing
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Workup Cost-effective ... specific high risk ... Echocardiogram • Head CT ... Cardiac stress testing ... #testing #Cost
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
metabolic equivalent able ... b) CHF c) CVA ... event, follow ACC algorithm ... Stable patients ... surgery Stress Testing